| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Thulile | - | Southern African, Zulu | ||
| Thurstan | THUR-stən | English (Rare) | ||
| Thyra | - | Swedish, Norwegian, Danish | ||
| TiÊN | - | Vietnamese | ||
| Tia | TEE-ə | English | ||
| Tiago | - | Portuguese | ||
| Tiamat | TEE-ə-maht (English), TYAH-maht (English) | Near Eastern Mythology | ||
| Tiana | tee-AN-ə | English | ||
| Tianna | tee-AN-ə | English (Modern) | ||
| Tiara | tee-AHR-ə | English (Modern) | ||
| TiarnÁN | - | Irish | ||
| Tiarnach | - | Irish | ||
| Tibby | TIB-ee | English | ||
| Tibor | - | Hungarian, Czech, Slovak | ||
| Tiburcio | - | Spanish, Portuguese |